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 indicating malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated, but the presence of numerous embedded URLs, including one pointing to a known malicious redirector (ttraff.cc), suggests the primary intent is to lure users to external, potentially harmful, sites. The large number of Shopify-hosted PDFs further supports the link farm detection.
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=bill+of+rights+1688+pdf In PDF document text
- http://files.tomwellereditor.co.uk/uploads/1/3/0/7/130740097/9582433.pdfIn PDF document text
- http://files.fernholzcrop.com/uploads/1/3/0/7/130776296/4574047.pdfIn PDF document text
- http://files.karenepoirier.com/uploads/1/3/0/9/130969503/zetak-kopigeru.pdfIn PDF document text
- http://files.kettlecoveicecream.com/uploads/1/3/1/4/131437443/83cd7.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/1/0428/4396/3548/files/tipisonegebajefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3998/0710/files/toraxigafibimuwarubokodeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1103/9655/files/77071309202.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3108/4708/files/zizofu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6686/0455/files/xovomes.pdfIn PDF document text
- https://dopuzifiza.files.wordpress.com/2020/06/25538228866.pdfIn PDF document text
- https://lamutenusut.files.wordpress.com/2020/07/56123131551.pdfIn PDF document text
- https://vowivol.files.wordpress.com/2020/07/xikeboje.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9540/0356/files/jatujerigefemik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37357510366.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6966/1589/files/43787072159.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4206/3004/files/39844036537.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9113/0536/files/pewazago.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2439/2087/files/xamikolovig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3917/6342/files/3247393632.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7735/4143/files/7886852219.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3797/4950/files/11626253673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7247/1718/files/jepogagorakesawire.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000db4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB4A | 5104 bytes |
SHA-256: ee6c58cd6634d3a38c96bb735e7b8f8a470091d5da13b70769eeed7b9217b836 |
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font_01_sfnt_off0000ecb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB5 | 10356 bytes |
SHA-256: bb61a80b8f483557c2be0ed93a3ab4c8dbeec970ee3ac57116416da84140737c |
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