MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating a redirector link to a known malicious domain. The document body, though partially corrupted, includes the URL that triggered the heuristic, suggesting a lure to a malicious site. The presence of numerous external PDF links, many hosted on Shopify, further supports a link farm or redirection tactic.
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=five+types+of+adsorption+isotherm+pdf In PDF document text
- http://files.rsvptravelvisas.com/uploads/1/3/2/6/132695636/2074909.pdfIn PDF document text
- http://files.drgvick.com/uploads/1/3/0/7/130738911/ralosijinis.pdfIn PDF document text
- http://files.usmilitaryhonors.org/uploads/1/3/1/6/131606526/8706758.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0434/8307/0629/files/75018892040.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6265/6152/files/10937730087.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9900/5863/files/gimp_documentation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2141/7122/files/kista_epidermoid_adalah.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3275/6902/files/jirukav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7541/9798/files/retalipolilivegasisomezo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4923/8178/files/78271316265.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8711/6965/files/romanticism_characteristics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9389/4044/files/6036130603.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8217/6920/files/vokuxarejuzewuge.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8937/9993/files/lowes_wheelersburg_ohio.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b37f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB37F | 1768 bytes |
SHA-256: c588eea8a047fa4eb07f542ba62fadfac9dd8622540312fe82fba6e77ad909b0 |
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font_01_sfnt_off0000bc01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC01 | 5368 bytes |
SHA-256: 214f325fb162c195ed6db943d5bde075fc4006df20f317539c9d6f49c7692ebb |
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font_02_sfnt_off0000ce27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE27 | 12732 bytes |
SHA-256: e8c4021bc485039b01fd1571662f57d8288aba297c02da73c8e958b5622e1c69 |
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font_03_sfnt_off0000f7e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E0 | 16192 bytes |
SHA-256: b5682870b59277f122a7b73a3e153b638509675612808f534710e7f5036a4878 |
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