MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to downloading a PDF, suggesting a lure. The presence of many external links, including to Shopify, indicates a link farm designed to distribute malicious content. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=anesthetic+pharmacology+basic+principles+and+clinical+practice+pdf+download In PDF document text
- http://files.santabarbarabirthmatters.com/uploads/1/3/1/0/131070151/906310182465.pdfIn PDF document text
- http://files.ndwc.org/uploads/1/3/0/7/130740065/1893152.pdfIn PDF document text
- http://files.jenasawyer.com/uploads/1/3/1/4/131483343/bipivalovi.pdfIn PDF document text
- http://files.mastersveterinaryservice.com/uploads/1/3/1/8/131871535/a7e6a2b8cfdb.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/1/0432/6352/5029/files/simolatolopuwibokasonawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3019/2039/files/faxetapibifetixoju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8570/2054/files/86837766844.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1601/9355/files/54230062098.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0727/0297/files/zisimomimub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7875/4199/files/86805874019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7252/0353/files/zagapigazunetofi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dedagefegumam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7165/8389/files/10369719079.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0000/2717/files/vamixilopenufulow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2429/3796/files/xirebav.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
🗂 Part of campaign:
astorialogisticsgroup.com
4 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000691c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x691C | 5680 bytes |
SHA-256: b9c66a00447c198080bb08a39b3f9be9b75408dadc7284e6e7f265e2275cecf6 |
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font_01_sfnt_off00007c44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C44 | 9848 bytes |
SHA-256: 9278f2a5dbc49b465578d05d8daefdb4d5dd941e3399cb346d6e4aaf1f024aad |
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font_02_sfnt_off00009e1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E1A | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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