MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with a primary link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=clear+cookies+and+cache+google+chrome+android', which is a critical indicator of malicious redirection. The presence of numerous links hosted on cdn.shopify.com suggests an attempt to disguise malicious activity within a large number of seemingly benign files.
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=clear+cookies+and+cache+google+chrome+android In PDF document text
- http://files.rumahbudayaindonesia.org/uploads/1/3/0/7/130739227/wupipefegulefumenisi.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/1/0432/1506/1153/files/fosujujam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6828/3287/files/tipevevorutozalajulose.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4959/9651/files/40779171909.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3497/6157/files/42509386608.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8305/4757/files/acknowledgement_for_ojt_narrative_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9885/7891/files/sookie_stackhouse_book_order.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5780/6486/files/2020_nfl_bye_weeks.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/3865/2069/files/94613028643.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7804/1244/files/54992238686.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3000/3355/files/mushroom_kingdom_fusion.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_off00005c21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5C21 | 5320 bytes |
SHA-256: bd53472e165fc718adedadbe4e00bb940afe82ac652ba6ac344f6525b0389d69 |
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font_01_sfnt_off00006e04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E04 | 10248 bytes |
SHA-256: d23ca66f67e6ac02d32c42bd9a4f0caa57c1855a79e15c3322619aa2a1332bfb |
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