MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to domains associated with link farms and redirectors. One critical heuristic firing indicates a direct link to known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'punctuation correction worksheets pdf', suggesting a lure to trick users into clicking the malicious links. The presence of numerous Shopify-hosted PDFs, while some are marked benign, is part of a broader link-farming strategy.
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=punctuation+correction+worksheets+pdf In PDF document text
- http://files.patagoniafallfestival.org/uploads/1/3/0/7/130776327/rufolaxuzur.pdfIn PDF document text
- http://files.liturgicalreflection.com/uploads/1/3/0/7/130740017/e7c65d671.pdfIn PDF document text
- http://files.wanderingsolace.com/uploads/1/3/1/4/131453252/roradi_famupafe.pdfIn PDF document text
- http://files.villagevoiceschoir.net/uploads/1/3/0/7/130739062/6223390.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/1/0437/9328/5277/files/lolijijujatuxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9437/4555/files/xozegowirizilapomik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1692/0994/files/54307000988.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8076/0990/files/lejijizonafoxerefuwalok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2883/9581/files/pamotapofozikitukifaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5283/4711/files/gizakufumog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7194/7430/files/dotexesakesapifigakog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3013/3406/files/73211535461.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7266/8319/files/95154436621.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9593/9488/files/mijekon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6987/5111/files/zaxipanudulixepugijivame.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4664/8473/files/84026934881.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/nokitidexojixajozojuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8297/3346/files/41115346467.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9281/1681/files/xoxosaludepo.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007ac1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AC1 | 5248 bytes |
SHA-256: 9127aa0eaaea2ce3d162be79e24a51fbb414eaa863c6f82f0ef233ad18976648 |
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font_01_sfnt_off00008c9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C9A | 10148 bytes |
SHA-256: 604eebfc9bf22be8e1daf23006ad9ac99f5051be0b40b5ce6668a4fe02291d6f |
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