MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The document body and embedded links suggest a lure to download further content, likely malicious. The presence of a malicious redirector indicates an attempt to deliver a second-stage payload, possibly through a phishing or scam pretext.
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.com/pify?keyword=proyecto+de+tesis+pdf+contabilidad In PDF document text
- http://xatejubam.kelscustomcabinets.com/uploads/1/3/0/7/130775982/7657979.pdfIn PDF document text
- http://files.travelandfellowship.com/uploads/1/3/0/7/130739564/nimuzidosuzisigiwir.pdfIn PDF document text
- http://files.lifechurchpccf.org/uploads/1/3/0/8/130873820/9fda410c97.pdfIn PDF document text
- http://files.sustainableartschool.org/uploads/1/3/1/0/131070485/2332046.pdfIn PDF document text
- http://files.learndeveloplive.com/uploads/1/3/2/6/132682745/28224a8fd3539.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/1/0430/2556/3799/files/lejafiwopilevapebujo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3331/1904/files/65179525990.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2373/5720/files/26464876928.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/2253/8136/files/essential_elements_2020_alto_saxophone_book_1_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8687/9651/files/marriage_anniversary_video_song_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0131/4454/files/megufiwodenodese.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0461/9560/5667/files/nadovupelowediwerufas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4539/4331/files/ag_lafley_playing_to_win.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5919/1712/files/funotixelevewavojebojaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9374/5046/files/64340625133.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1699/4466/files/fitudixegefukegojupogi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8011/2535/files/square_root_of_205_in_radical_form.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007092.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7092 | 5180 bytes |
SHA-256: 093e40a86fd6d0c053d4c7072cbdc68795ebe30b5f0116612614b7bba6e11eaf |
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font_01_sfnt_off0000822f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x822F | 2512 bytes |
SHA-256: 8317cd94aacd0e6fd2e5c5989436fc68523f0f63f127755fdc62916090c89fd7 |
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font_02_sfnt_off00008d22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D22 | 11052 bytes |
SHA-256: dfb920b44fe704205342436dd664a493d3fbc56a3e6842f3624367970d340d60 |
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font_03_sfnt_off0000b121.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB121 | 16648 bytes |
SHA-256: 122c9994f418b8fdfecd7a46de4601d61427cece1926ebc5427d1a9b45d4969c |
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font_04_sfnt_off0000c80f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC80F | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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