MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one heuristic specifically flagging a link to a known malicious redirector. The document body, though heavily obfuscated, appears to reference 'Valentine's day date sheet', suggesting a lure. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content or engage in SEO manipulation for malicious purposes.
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.ru/pify?keyword=valentine%2527+s+day+date+sheet In PDF document text
- http://files.yourcaringcommunity.ca/uploads/1/3/1/3/131382239/7f98349f55576.pdfIn PDF document text
- http://files.kdgdistribution.com/uploads/1/3/2/6/132682936/9713459.pdfIn PDF document text
- http://files.successchoices.ch/uploads/1/3/2/8/132814071/jivafepi_sobiberalef_nebirovivom.pdfIn PDF document text
- http://files.aminalake.com/uploads/1/3/1/3/131379246/4640579.pdfIn PDF document text
- http://files.multifaithfest.com/uploads/1/3/0/7/130739238/mizokizomogivez.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/1/0433/3246/8904/files/lavugevabiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7096/3350/files/dijebudusulowaxif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3869/5846/files/37995375295.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0428/9439/files/80822507739.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5834/8700/files/nanorujevoritos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8148/2918/files/rajakavejovolugidugimiviv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0311/7719/files/gumolizododezilas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2892/3046/files/28052652863.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vibamiwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8970/5625/files/72089759301.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9850/5369/files/wipatetuzasizedonomidu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5757/8137/files/41801918554.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1667/5740/files/suzeguwili.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_off0000740e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x740E | 4596 bytes |
SHA-256: 92121dd0706694844bd7febf39f64ee743185dba842f15a38bf3c4b85b2ddb4b |
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font_01_sfnt_off0000839f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x839F | 1936 bytes |
SHA-256: 73983ccd477f0e4c07634362c0f9f13a23cea415a26bff37f7f125d59a681190 |
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font_02_sfnt_off00008ce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CE2 | 10272 bytes |
SHA-256: f749a6791d94ef1222dd57ff28a63040429476eae6cb55c8c33e2dfc19bae275 |
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