MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which is the primary indicator of malicious intent. The document body, though heavily obfuscated, contains the same URL. The presence of a large number of external links, many pointing to Shopify, suggests a link farm or SEO poisoning attempt to drive traffic to the malicious redirector.
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/wix?keyword=aoac+official+methods+of+analysis+fr In 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/1/0431/3251/8549/files/27810241076.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0460/1482/4607/files/75677801323.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7446/7478/files/94426227923.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4151/9776/files/betrayal_at_house_on_the_hill_widow_s_walk_haunts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7567/4024/files/janidafemojufut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8332/3800/files/brain_workshop_net.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e3c460_cb9a8d4a8edd4432ba117d05329147ca.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_0e48e6ace5ee48cfb4859bc2255ecf25.pdfIn PDF document text
- https://static.usrfiles.com/ugd/3649d2_06822d7cf78f4a61ae37e9af99ee7e1a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/c0fca2_c612897a3dbf41b6a5ee5f41ecea6ccc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5764/2648/files/zadedizutexewapuxas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1059/6765/files/57282297096.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8118/6971/files/veterinary_microbiology.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/peposorutap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3887/4532/files/duck_egg_blue_bed_sheets.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_off0000570e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x570E | 5352 bytes |
SHA-256: 5bf039045fe8ec3e1db5327b7316646c6aba73167e6325503c7c9706ce7abb10 |
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font_01_sfnt_off0000691f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x691F | 10508 bytes |
SHA-256: 3c4d019762b2a6c5f38d33e78bff319d3b34fb6a4f7bb956a7b69093f6a603b5 |
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font_02_sfnt_off00008d2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D2E | 16232 bytes |
SHA-256: 68eef4b610644b6a98f668349b58b424e8310755c20c018328a8321db0e17a89 |
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