MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to a redirector service (ttraff.cc) that is flagged as malicious. The document body also contains the same malicious URL, suggesting an attempt to trick the user into clicking it for a supposed download. The ML classifier also strongly indicated maliciousness.
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=apocrifos+del+antiguo+testamento+tomo+v+pdf In PDF document text
- http://mikexot.englishlutheran.org/uploads/1/3/0/8/130874524/2436782.pdfIn PDF document text
- http://xigir.writeyourfirststory.com/uploads/1/3/1/4/131437774/0c488f03ceaf4a3.pdfIn PDF document text
- http://files.jira-administrator.com/uploads/1/3/2/7/132710679/vabufifenu-zajipamo-sitamad-vomufifedonuvo.pdfIn PDF document text
- http://files.kalinkapetkoff.com/uploads/1/3/1/0/131070718/resuzigi_jajegunosulasut_masar.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/1/0438/7697/4747/files/verb_agreement_rules.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8520/7454/files/lasixewelos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3318/2886/files/kebotafedidelupena.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2384/3996/files/49149558930.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/1371/3569/files/wipe_me_down_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6985/6158/files/6193397805.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1851/0745/files/67540957433.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3489/4755/files/kitefefururomizekanawa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0536/9758/files/jepikite.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6381/1997/files/bejuginanizeponejalinibi.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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005909.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5909 | 5408 bytes |
SHA-256: ebfa89c0f5ed24e7afe2e75aea4c9accc7e128b350341a4be6c75596e676662d |
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font_01_sfnt_off00006b55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B55 | 11332 bytes |
SHA-256: 3d3b097f34a63df818ff8dc6512b2f60639a3b5d07659f5615f5c9f5531a490f |
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font_02_sfnt_off0000908c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x908C | 16076 bytes |
SHA-256: 52e82f317fd07460633fde2b4a13b2271e088719cba8b5abc0141cb327413dbe |
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font_03_sfnt_off0000a528.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA528 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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