MALICIOUS
256
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1204.001 Malicious Link
This PDF file is identified as malicious by multiple heuristics, including ClamAV and an ML classifier, and is specifically flagged for brand-impersonation credential phishing (Facebook). It contains numerous external links, many of which point to redirectors designed to lead users to phishing sites, such as the one hosted on weebly.com. The primary lure appears to be a "momentum worksheet with answer key", which is a common tactic for phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://jalaxogazumin.weebly.com/uploads/1/3/4/3/134373329/8afcd79.pdf.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://trafftec.ru/123?utm_term=momentum+worksheet+with+answer+key PDF link annotation
- https://s3.amazonaws.com/jevopemosod/12484367037.pdfIn PDF document text
- https://jalaxogazumin.weebly.com/uploads/1/3/4/3/134373329/8afcd79.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388824/normal_5fa201fe60cee.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369777/normal_5f89099b5069c.pdfIn PDF document text
- https://s3.amazonaws.com/suxugipipolazog/chris_powell_diet_plan.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367905/normal_5f9045d47229c.pdfIn PDF document text
- https://visenapanelowoj.weebly.com/uploads/1/3/4/5/134581819/venezata_buvivaviguxe_lanokujiresabev.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://static1.squarespace.com/static/5fc6d632c39fde0238a5f002/t/5fcdcd8505ddc9599d42f673/1607323013520/13572424852.pdfIn PDF document text
- https://static1.squarespace.com/static/5fce2a8a996d611d5f629464/t/5fd1e62eebc7ce75e8b4c728/1607591470848/stack_fall_3d_unblocked.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0d92f11f6a4198485658d/t/5fc253e9fa04221c716b5182/1606570986318/rational_inequalities_worksheet_with_answers.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc15fe03dfdd95b60d86875/t/5fcdb27833187724c40f9a81/1607316110802/87083302079.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe4397173fb5383b6e9922/1606304668284/90605880502.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc5510aa13a450bab11af48/t/5fc6982d645712565422e5ee/1606850605747/cross_stitch_xmas_stocking_kits.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2d01b697-ae91-49ab-b846-59be3cccb677/east_clinton_local_schools_staff_resources.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
🗂 Part of campaign:
f-static.net
4 samples
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC6D | 2828 bytes |
SHA-256: 85b692c1c636aed9ab1240d2a7361179fdd6c0849396a06064984f922e967b4f |
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font_01_sfnt_off00010667.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10667 | 5036 bytes |
SHA-256: 2f41ea4b99e565db010e1451c6b39c0779b3cbf660d7726c02a01aa32dd565a6 |
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font_02_sfnt_off0001176d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1176D | 10488 bytes |
SHA-256: 8fa1b8dc82f500be5298fac413dcabe79283fee6f2a0cc5edb6b323ddc575823 |
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font_03_sfnt_off00013aeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AEB | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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