MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting PDF files, which is indicative of a link farm. One of the primary links, https://ttraff.ru/pify?keyword=beginning+intermediate+algebra+5th+edition+pdf, is flagged as a malicious redirector. This suggests the document's purpose is to lure users into clicking these links, potentially leading them to malicious sites or further stages of an attack.
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.ru/pify?keyword=beginning+intermediate+algebra+5th+edition+pdf In PDF document text
- http://xakumem.scalestuff.org/uploads/1/3/1/4/131438177/3d3b8a.pdfIn PDF document text
- http://files.liira.org/uploads/1/3/0/8/130813643/juvapibewaj_kedexifuzoguwiv_xikewigoxijeb_xideniwoxikok.pdfIn PDF document text
- http://files.turnerschoolofthrows.com/uploads/1/3/0/8/130814535/8098741.pdfIn PDF document text
- http://buxobadi.audiblethought.com/uploads/1/3/0/8/130814328/fefikavoruvi.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
- https://cdn.shopify.com/s/files/1/0440/5395/4710/files/14449747245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/9984/4762/files/2515482091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9775/9643/files/genunakov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4449/4750/files/5261434708.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7607/3125/files/mepoduvenufape.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6626/9597/files/sekajopopobidas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0741/0329/files/54639423104.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6016/5797/files/demotivation_poster_maker.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1077/6478/files/70617416915.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9665/4499/files/kaniletilajoki.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
🗂 Part of campaign:
audiblethought.com
3 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000056f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56F7 | 5376 bytes |
SHA-256: bec1a889bc1cb8b439f7f0792e94e0ddfe892cfad6f4b308120e16da514361c9 |
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font_01_sfnt_off0000690e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x690E | 10084 bytes |
SHA-256: 75c246326db85af1537055e4be8bfc36b573df6521cc1c4f7aec1f473d0ad977 |
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font_02_sfnt_off00008b57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B57 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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