MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One of the primary links directs the user to a known malicious redirector, ttraff.cc, disguised as a PDF download for "2nd law of thermodynamics notes pdf". This suggests a social engineering attempt to drive traffic to malicious infrastructure. No scripts were extracted, limiting the analysis of direct payload execution.
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=2nd+law+of+thermodynamics+notes+pdf In PDF document text
- http://files.marikym.com/uploads/1/3/1/3/131381259/potelekemur.pdfIn PDF document text
- http://files.techedmn.com/uploads/1/3/1/6/131636712/soxax_tupoluzudaken_babuguva_marunej.pdfIn PDF document text
- http://files.thelostvalleyobservatory.com/uploads/1/3/2/6/132695216/8837605.pdfIn PDF document text
- http://files.doublemindedgod.com/uploads/1/3/0/7/130775137/1a730985498ebb3.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/1/0434/0154/3831/files/pathfinder_path_of_war.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0939/2285/files/vevulefefulasilibeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7020/8662/files/fijafo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/87967576867.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7079/9516/files/59305968417.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1172/5723/files/sekiro_bundled_jizo_statue.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2548/9305/files/astm_a53_a53m_07.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6516/3422/files/xugimoritatemobu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7199/5030/files/xunepetuxawivomaxoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9295/9642/files/63747451315.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2627/6775/files/fogufobibop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ninitegabi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6151/8231/files/65731754910.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_off00007c2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C2D | 5416 bytes |
SHA-256: 62a041e6096a5967c0129eb92c0b6b6e25687e8463c7c8a4e4a06ef1d54b51cd |
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font_01_sfnt_off00008e77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E77 | 10732 bytes |
SHA-256: 9a449ca788a1c7bb933461762d225307a04104096a20b0025d7264d34575fe08 |
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font_02_sfnt_off0000b2ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2EC | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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