MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the document links to known malicious redirector infrastructure, specifically 'https://ttraff.ru/pify?keyword=manualidades+solo+con+papel+blanco'. The document body, though partially corrupted, contains the same lure text, suggesting a social engineering attempt to drive traffic to malicious sites. The ML classifier also strongly flagged this PDF as malicious.
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=manualidades+solo+con+papel+blanco In PDF document text
- http://tixisuw.vafcs-aafcs.org/uploads/1/3/0/7/130739457/1919898.pdfIn PDF document text
- http://files.ownastandardbred.com/uploads/1/3/1/3/131398573/194353.pdfIn PDF document text
- http://files.murderhollow.com/uploads/1/3/1/8/131856392/piduxeb_noxoro_lamivalitutod.pdfIn PDF document text
- http://files.glenburnietow.com/uploads/1/3/1/4/131453623/detikope-gudakububoxew-bafumagis.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/1/0431/2875/0241/files/menunep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2442/2811/files/screen_kill_window.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8520/8483/files/is_mongodb_nosql.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4109/4817/files/44868081083.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2782/2749/files/naluvudivofusamewofo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/papixusisijipe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8094/9659/files/47956382070.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8818/3456/files/pipenejupedezigu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8831/3506/files/xagadidugunag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0469/0581/files/93865200245.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8026/9477/files/xuregubiwetigamorudigaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5684/0350/files/29307515290.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_off00006d2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D2F | 4916 bytes |
SHA-256: 59c7de08cfc5637a22763545ece150a72293a3dd7ec7c1f646dd7330654ba607 |
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font_01_sfnt_off00007de1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DE1 | 11080 bytes |
SHA-256: c529005b393c4674242986e3dcb958dabfc2c5a9068f5a3a0eeefd7eedbda72b |
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font_02_sfnt_off0000a1f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA1F7 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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