MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a mass external link farm, with many links pointing to shopify.com domains, likely for SEO poisoning. One critical heuristic identified a link to a known malicious redirector at 'ttraff.cc'. The document body, though heavily obfuscated, contains strings related to 'fighting malicious code pdf' and 'wkhtmltopdf', suggesting a technical pretext for the malicious links. The presence of numerous PDF links and a malicious redirector indicates a likely attempt to distribute malware or phish users.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=fighting+malicious+code+pdf In PDF document text
- http://files.mx.nrvprocessing.com/uploads/1/3/0/9/130969300/8368675.pdfIn PDF document text
- http://files.kindertimedaycare.com/uploads/1/3/0/7/130776487/f20f6c0c56f986.pdfIn PDF document text
- http://files.heidiho.org/uploads/1/3/1/1/131163867/1078a3b28237905.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/1/0432/6211/6008/files/1643384701.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2606/1224/files/23775950081.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5611/1520/files/tujugogisanoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8462/8633/files/wulizo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/52601031656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6737/5770/files/zupexotavidowudasanu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6427/0743/files/xodamiwevoroposejivo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/12729031526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5352/2850/files/rovuxadusoja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3158/5180/files/nemajudivad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9959/4656/files/badixalolu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5388/2280/files/13085149244.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7129/9999/files/gejotaxa.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_off00007f7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F7D | 5308 bytes |
SHA-256: 0a6d0470e9415a4b34443c29971a67d2049ca84abd7176e61b4872da410bbfd7 |
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font_01_sfnt_off00009161.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9161 | 10884 bytes |
SHA-256: 2275aad23f80c56cd9958d23098d70b4ae4e0ffc88e73bfd5d8e2e6032c3b10e |
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