MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links designed to appear as legitimate downloads, but the primary link redirects through a malicious SEO redirector. This redirector leads to a Shopify domain hosting a PDF, likely as part of a phishing or scam campaign. The ML classifier strongly indicated maliciousness, and the presence of multiple external links points to a link farm strategy.
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=angle+of+depression+and+elevation+worksheet+pdf In PDF document text
- http://files.heroscholars.com/uploads/1/3/1/4/131453560/8513089.pdfIn PDF document text
- http://gusotu.fastandforeverfoods.com/uploads/1/3/1/8/131857315/d1225d73772.pdfIn PDF document text
- http://files.everyday-buddhism.com/uploads/1/3/1/4/131412858/vekobikuniviwa-pugadafedenewo-xelij.pdfIn PDF document text
- http://jifit.aishaperez.com/uploads/1/3/2/6/132681352/09c786dd5.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/1/0429/8702/8641/files/maxuli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0364/9954/files/52800128318.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4927/8875/files/geographical_information_systems_and_science_3rd_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2549/7250/files/clinical_pharmacology_and_therapeutics_lecture_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7679/7081/files/mixogeriwawixebapadobus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9477/8791/files/tofuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6377/1293/files/burket_oral_medicine_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7252/0352/files/23287462788.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/pedim.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3010/9593/files/sijuxefin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9373/8143/files/6468881687.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2385/9873/files/liroleturuwuxizerewag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8126/1466/files/48760297689.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007cdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CDD | 2828 bytes |
SHA-256: 4aba2bb845853324476be69e5ed1bf4ff35002942389efac2b843cac1129f0e9 |
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font_01_sfnt_off000086d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86D8 | 5508 bytes |
SHA-256: 1e93c71aba5f784f4a9b61ece4c962414ec5cbc580fc65dc610a48f4d6bed9a3 |
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font_02_sfnt_off000099af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x99AF | 10000 bytes |
SHA-256: 3724dcae40992bb382e376578e373e9af615393a9a72ca4e27d71a9aadeec34f |
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