MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing a malicious redirector link and a large number of external links, indicative of an SEO spam or phishing campaign. The primary malicious URL identified is https://ttraff.ru/pify?keyword=btob+beautiful+pain. The document body contains garbled text but also includes the same malicious URL and several Shopify-hosted PDF links, reinforcing the link farm and redirector findings.
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=btob+beautiful+pain In PDF document text
- http://files.stevewanna.com/uploads/1/3/2/6/132695546/c5fa45cb.pdfIn PDF document text
- http://files.hartauditorium.org/uploads/1/3/1/3/131382470/6401688.pdfIn PDF document text
- http://files.goodbless.us/uploads/1/3/1/4/131438471/a775c0ea78ddc57.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/1/0433/0687/7080/files/24501063531.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4937/7177/files/77862302020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0718/7872/files/5th_grade_math_problems_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/7625/8711/files/types_of_dialysis_machines.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6719/4021/files/woridaselexuxijojavokabo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6558/1468/files/cat_iii_movie.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6593/3985/files/ximadanu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1513/3605/files/54773617161.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/8496/7077/files/30360910474.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4672/1946/files/gagokusimagisu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56751463133.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2777/4115/files/watermark_remover_from_video_apk.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:
classwithheise.com
4 samples
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005abd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ABD | 2828 bytes |
SHA-256: a17885b4fd577e0298a64705d5055d2ac7c2363fd7008e9cf236b3df412a17d8 |
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font_01_sfnt_off000064b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64B7 | 4808 bytes |
SHA-256: b1a0b2b06b936cef91a4161ec8a066357784a2a12f3e7c8b94ea05266474692f |
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font_02_sfnt_off00007526.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7526 | 9956 bytes |
SHA-256: 4007e7fd640883fde4ed39490f1efaa800516dc5334e8d6c11eeb23de9b4b4dc |
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font_03_sfnt_off0000975c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x975C | 16120 bytes |
SHA-256: cee4b49cb3723fed048e16b22eb70908f5e8655cfdf2eec173b09e45246aada9 |
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