MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to redirector domains, specifically identified as a malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting a 'calendar 2019 pdf kalnirnay' lure, and the embedded URL 'https://ttraff.link/pify?keyword=calendar+2019+pdf+kalnirnay' reinforces this as a phishing or malware distribution attempt. 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.link/pify?keyword=calendar+2019+pdf+kalnirnay In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://static.usrfiles.com/ugd/f515ca_165fc182b791464788d17c5a7960b6e3.pdfIn PDF document text
- https://static.usrfiles.com/ugd/ace02d_10545f3e4e644614b2a889675b2bcc1a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/30e015_98d7b4388f824e59b0d9333f8e39c5a5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/1cc7e8_7695e17d2a6d47d6a5305fa575e27415.pdfIn PDF document text
- https://static.usrfiles.com/ugd/e78b77_fe829bb2d31b4b4f9d4a95ea90b6c0f7.pdfIn PDF document text
- https://static.usrfiles.com/ugd/3eed2b_083f2a67a55e46fa983bbeb23b6f6ce5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/0fdb6d_53b999e3d88e48ec92743e7c8e8c915d.pdfIn PDF document text
- https://static.usrfiles.com/ugd/02beb7_e10db94649ca40b4bc0d6154519a2267.pdfIn PDF document text
- https://static.usrfiles.com/ugd/d5415a_938a83b2c7c2436dbe7db585e207d10c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/15d534_5485e5984bc84f36847423e0691d4e5c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/4c1554_3135df0e847245d2a8e878d6a17747f9.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2964/0854/files/69987107819.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1777/0904/files/13480778634.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8320/2711/files/phn_mm_audacity_full_crack.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_off00005a7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A7C | 5408 bytes |
SHA-256: 98af8bd70029c19b9ef3d27329f3773b8cc19880ea050b1b8cf2635dbe364960 |
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font_01_sfnt_off00006cfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CFC | 10392 bytes |
SHA-256: f69611edbe595cdfbaf8a2b9380abd7905e8bb293a33b5214c02d335dc4cfa8a |
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font_02_sfnt_off00009046.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9046 | 16164 bytes |
SHA-256: ead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8 |
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font_03_sfnt_off0000a59b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA59B | 5112 bytes |
SHA-256: a0237da2ba6f7d0b862c21bbba5b6eb9f46d0a62d33dbf6d93c3da7886ced467 |
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