MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. The primary malicious link, 'https://ttraff.cc/pify?keyword=100+carols+for+choirs+pdf+download', is a known malicious redirector. The document body, though heavily obfuscated, contains this malicious URL, suggesting the document's purpose is to redirect users to malicious content.
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=100+carols+for+choirs+pdf+download In PDF document text
- http://files.theshirehomestead.com/uploads/1/3/0/7/130776460/8237623.pdfIn PDF document text
- http://files.mansfieldvineyard.org/uploads/1/3/0/7/130740231/f9cdfe7.pdfIn PDF document text
- http://files.steveneillsgarage.com/uploads/1/3/0/8/130874123/6e8a6d2184c3eb2.pdfIn PDF document text
- http://files.greenshoe.org/uploads/1/3/0/8/130813616/4178623.pdfIn PDF document text
- http://files.itascasports.com/uploads/1/3/1/4/131437484/mojixe.pdfIn 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/1/0434/7399/3890/files/5957595816.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0071/6694/files/godavevibiwuvozix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0671/4268/files/geometry_final_exam_review.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73930450062.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3340/2266/files/colloquial_egyptian_arabic.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8080/0674/files/biwemabo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7106/9594/files/xegebalowugon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3191/9765/files/aadhar_card_update_form_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2359/7725/files/automatic_door_opening_system_using_arduino.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7678/0192/files/sobazonumafarewaxagul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9971/6770/files/morevipotexizukukivaza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2961/1171/files/gufogovor.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_off00009d54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D54 | 4756 bytes |
SHA-256: da3038f8d6b00bb4f075c615454522c37c590faa2ea3fbed1b45f97a0ebc99e5 |
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font_01_sfnt_off0000adac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADAC | 5432 bytes |
SHA-256: d51e31d5d48575cf39925f8e1127802ce2a28303332f347b418bad9a1b326fca |
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font_02_sfnt_off0000c024.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC024 | 10200 bytes |
SHA-256: 6572436f95097ecbaabe34936d5c75cf8a8ddd0d7bc9d0cf05e6f0699c8f3e8d |
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