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 pointing to 'https://ttraff.com/wb?keyword=equations%20in%20maths%20pdf'. Additionally, it features a large number of embedded external PDF links, many hosted on cdn.shopify.com, suggesting a link farm or SEO poisoning tactic. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains the malicious URL.
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.com/wb?keyword=equations%20in%20maths%20pdf In PDF document text
- http://files.mscg19.com/uploads/1/3/1/8/131860787/bamefome_lovigativanilir_minodawexo.pdfIn PDF document text
- http://files.bcox1.com/uploads/1/3/0/7/130776730/pogogo.pdfIn PDF document text
- http://xadef.one5collective.com/uploads/1/3/1/8/131857152/dasewojapipeved.pdfIn PDF document text
- http://peweku.jabcoassocinc.com/uploads/1/3/2/3/132302780/zupodejo-mixatirakale-gamekukuvofanef-nenazafajefaz.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/1/0439/4981/8024/files/32202007761.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5013/8784/files/nedokedebimunugera.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0632/7959/files/zubukiwof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0335/5034/files/pifaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1907/5737/files/complete_ukulele_chords_chart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6186/2810/files/81457168238.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8551/9261/files/difference_between_engineering_stress_strain_and_true_stress_strain.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5085/2762/files/78142253708.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7741/0724/files/72065702046.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/4263/9765/files/37972799253.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0445/6543/0431/files/amulet_book_series.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/63491738983.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7728/0671/files/mexekanibanupixuk.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_off00008070.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8070 | 5000 bytes |
SHA-256: 6d8b1d1d7c22a1cedc945c88f8ebeb6a91c0f80db794ee7822dcc3b20b2f7705 |
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font_01_sfnt_off0000913f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x913F | 10420 bytes |
SHA-256: 3ece8e750e2e65b60eb225857ae541ccca9c5a8b9b91454ba1682c497140bd2c |
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font_02_sfnt_off0000b4ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4EE | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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