MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains a mass external link farm, with one link pointing to a known malicious redirector. The document body also contains a call-to-action phrase, suggesting a lure to trick the user into clicking the malicious link. The primary malicious IOC is the redirector URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ttraff.cc/pify?keyword=amar+ujala+newspaper+pdf+file+download In PDF document text
- http://files.thederekday.com/uploads/1/3/2/6/132695546/gokuxusovoz.pdfIn PDF document text
- http://files.oliveandaloe.com/uploads/1/3/1/4/131437878/kabagup_kepubagepekom.pdfIn PDF document text
- http://files.bullmastiffregisterofmerit.com/uploads/1/3/2/6/132696030/357465b.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
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2913/5521/files/list_of_adjectives_with_urdu_meaning.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5174/5442/files/zajizene.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3074/8055/files/wuvotapaduker.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7221/6483/files/pemomixe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7404/4579/files/vevixemab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5063/0296/files/goviduzejigasiwaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6262/4417/files/fopiwonogujakofutego.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5198/3772/files/59192882979.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3826/0899/files/buminopaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3103/6053/files/63911849188.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2625/9876/files/vajamaxawefanubuvoz.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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D9F | 5148 bytes |
SHA-256: fa67d49cb1cfea798b8b000dca8d218acf856251b673e3f4fd94442588e277da |
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font_01_sfnt_off00006f0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F0B | 11720 bytes |
SHA-256: 4b5adb86047ec08cdef324b31e23c39ce8b63d271091420d90c348776a7e586e |
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font_02_sfnt_off00009547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9547 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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font_03_sfnt_off0000a348.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA348 | 4592 bytes |
SHA-256: 6302bcf348e2f8829e76dda91bebe1fa7f7e16041c5601a403363cba750081da |
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