MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc'. The document body, though partially corrupted, contains text related to a 'Roman numerals 1 to 12 worksheet' and includes the malicious URL. This suggests a social engineering lure to trick users into clicking the link, which then redirects to potentially malicious content. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy, likely for SEO manipulation or to obscure the final malicious destination.
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=roman+numerals+1+to+12+worksheet In PDF document text
- http://files.png1960.org/uploads/1/3/1/6/131636914/2492947.pdfIn PDF document text
- http://nomazino.hbdixon.com/uploads/1/3/2/7/132712116/riweralufoletaki.pdfIn PDF document text
- http://tadifo.ginostrattoria.com/uploads/1/3/0/7/130738956/ruvidesinodaf_nerokedoxedati_maronereverepav_ribov.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/1/0438/1537/0912/files/94314075635.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9330/2178/files/85157718524.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0453/8466/3208/files/xubefuwureba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1093/1358/files/algebra_1_graphing_equations_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4972/2790/files/56539445864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28821374719.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0444/8894/9927/files/insertion_sort_pseudocode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5587/3190/files/96932864081.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/4074/6145/files/ecological_importance_of_bryophytes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7217/5781/files/96974403920.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7100/5082/files/atari_breakout_trick.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
🗂 Part of campaign:
freereinequine.ca
5 samples
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006024.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6024 | 5108 bytes |
SHA-256: 2b3e378b5cb068dac9ee3d245f348c4aade71d21b0e164d4c2226c125cb39a33 |
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font_01_sfnt_off00007167.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7167 | 10192 bytes |
SHA-256: e8682180dd21f965203569666758888608ec14f2bdf9646fc4d694c595f6bb2d |
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font_02_sfnt_off0000944d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x944D | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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