MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.cc, which is presented with a deceptive keyword. The document body, though heavily obfuscated, contains the same URL and a list of other URLs hosted on cdn.shopify.com, likely intended to appear legitimate. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm further supports a malicious intent to lure users to malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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/wix?keyword=sean+paul+amor+eterno+descargar In 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/1/0427/6636/8935/files/64968814751.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1249/7305/files/calendario_2020_gratis_da_stampare.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1458/6517/files/call_forwarding_app_for_android_phone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4801/8855/files/adiemus_chords.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5114/5626/files/9211120853.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1992/7713/files/31984218913.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_7b45f645a8f446e1a05ee991c4a83db5.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_60117dac7607460884c8cc948294237b.pdfIn PDF document text
- https://static.usrfiles.com/ugd/97634b_2fc962908c6f43a4974fb0011c58336a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_cb8444e3457a4832bae96b7ddb14674a.pdfIn PDF document text
- https://static.usrfiles.com/ugd/4dd980_76b1b6b6c69f4067b7bd27a1f61510a4.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
- https://www.facebook.com/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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn 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 6
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000057af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57AF | 6424 bytes |
SHA-256: 120dfd7c7977cfb9a90e0c19aa24ce80f3ad63f69756627d616fe21accc03e95 |
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font_01_sfnt_off00006791.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6791 | 5496 bytes |
SHA-256: 4df751e5e28733a805410ddf5d5f41e331bf5c55d756d23ddbead3b845da0de4 |
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font_02_sfnt_off00007a19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A19 | 5276 bytes |
SHA-256: 372ff3f3759db8e605627a3e3c827d07deab61ce5c1797e9894f2292549d54bb |
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font_03_sfnt_off00008d57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D57 | 11600 bytes |
SHA-256: b998a3f3b9b7620b7d0409d5979ba47faaceae02b7acdae3621b0c4726154524 |
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font_04_sfnt_off0000b372.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB372 | 16620 bytes |
SHA-256: e4a5a6a61265cbe6c0932089059cb53da9df7dc8caedaa4edebc398464311152 |
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font_05_sfnt_off0000ca44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA44 | 1736 bytes |
SHA-256: 0d9b6ab0354368cdfa5a4e52e4dfb250ede80cec4283e48fafec0a3c1c1d30df |
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