MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains, including Shopify. One critical heuristic firing indicates that a link within the document redirects to known malicious infrastructure at 'ttraff.cc'. The document body, though heavily obfuscated, contains the same redirect URL and a link to a benign-looking PDF on Shopify, suggesting a lure for free tutorials that ultimately leads to malicious content. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=cinema+4d+basic+video+tutorials+free In PDF document text
- http://files.independentbaptistmissionforjamaicaandthedominicanrepublic.com/uploads/1/3/2/6/132695301/5969774.pdfIn PDF document text
- http://files.capricorncetaceansproject.com/uploads/1/3/1/8/131856185/ranitemexajosa-damoxig-zepelaz.pdfIn PDF document text
- http://files.ccplus10.org/uploads/1/3/1/0/131070845/solesivesat.pdfIn PDF document text
- http://files.artandroulla.com/uploads/1/3/1/3/131380773/6e51b943ebb202b.pdfIn PDF document text
- http://files.internationalradioartresearchgroup.org/uploads/1/3/1/6/131637484/ladosunenapados.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/1/0433/8457/0019/files/wonut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85755015361.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2717/7380/files/89019159625.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8687/9647/files/velikarufidepajevutodax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3146/1016/files/sufifedo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2209/7304/files/78361366896.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/26875145969.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_off0000937f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x937F | 5360 bytes |
SHA-256: 9651b59070d5d27664b4786c1a7bc05429bdc50e6603dc62a580a097d08d32ad |
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font_01_sfnt_off0000a5a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5A4 | 10100 bytes |
SHA-256: 708e7f6d31ac8ddfdb6fcc9b0bacbace982e10a5178bacfd440067f40c7e2751 |
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font_02_sfnt_off0000c82e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC82E | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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