MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or malware distribution scheme. The embedded URLs point to a redirector service that likely serves further malicious content, disguised as a free download. No scripts were extracted, but the overall structure and linked URLs strongly suggest a phishing attempt to trick users into downloading unwanted files.
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.com/pify?keyword=cengage+publication+chemistry+pdf In PDF document text
- http://mimor.gaugerpercussion.com/uploads/1/3/0/8/130814328/9b85593a05.pdfIn PDF document text
- http://files.actionrating.com/uploads/1/3/1/6/131636748/a386a29f1244.pdfIn PDF document text
- http://files.shannondrhodes.com/uploads/1/3/0/8/130873907/1944747.pdfIn PDF document text
- http://files.globalezorder.com/uploads/1/3/2/3/132303238/wupoziguzuvu-zalofida.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1899/3307/files/48295380624.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1483/1780/files/zevije.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2348/2525/files/bratislava_tourist_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5293/3019/files/mifokatimoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2891/4074/files/vetisovejatoxopego.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9656/4131/files/suwuke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7560/9510/files/30938296911.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5756/9189/files/47416246611.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0408/2851/files/income_tax_changes_for_ay_2020_20.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4190/7110/files/4691434876.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3662/2498/files/33797795432.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5761/8850/files/32865650565.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000060a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60A7 | 5716 bytes |
SHA-256: a086d2e3dc9f5cd4760cef80bf40799aff2df61d70d55701e347c0b2a12013a0 |
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font_01_sfnt_off000073eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73EB | 10180 bytes |
SHA-256: e934c33043a44a05f70d0677cf6a6137064f4d1b96fd1234835b186f378806c6 |
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font_02_sfnt_off000096f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96F0 | 16164 bytes |
SHA-256: 4bd16c8abd39118228c1571b0005d4eb3b3e943e572fd92a2a80cfcb7b749349 |
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