MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=training+critical+appraisal+of+a+topic+pdf'. Additionally, it features a PDF link farm heuristic, suggesting an attempt to distribute content via multiple links, with 'https://cdn.shopify.com/s/files/1/0428/6083/9079/files/94163305354.pdf' being a prominent example. The document body, though heavily obfuscated, contains the same redirect URL, reinforcing the malicious intent.
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=training+critical+appraisal+of+a+topic+pdf In PDF document text
- http://files.hillsideschoolcville.com/uploads/1/3/1/4/131437932/fd1427dc.pdfIn PDF document text
- http://files.mschurchofchrist.net/uploads/1/3/1/3/131381374/814f6aa.pdfIn PDF document text
- http://files.ororossodelmonferrato.com/uploads/1/3/1/1/131163632/1350963.pdfIn PDF document text
- http://files.luckypennyrealty.com/uploads/1/3/0/7/130776567/9317475.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/1/0428/6083/9079/files/94163305354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9489/1943/files/55174946407.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/84593422723.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2170/5124/files/kingdom_hearts_re_coded_rom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4487/2090/files/popagi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wesani.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1361/1413/files/vesoxudajozud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0835/0619/files/paleo_diet_plan_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4112/8601/files/92201157925.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2177/0656/files/96162402059.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2544/8615/files/antigen_antibody_structure_and_function.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9432/6939/files/fakoromobasi.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_off00008a21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A21 | 4944 bytes |
SHA-256: 6861b0ffcae3697a8f01bdeffb685e64365ce1e59826d25f64589edad42c6074 |
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font_01_sfnt_off00009ae4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AE4 | 10144 bytes |
SHA-256: 7ad1c38bc91b8daf60fc6ae52efe501200ba833b2ecb9695e3baa14ef486c6c7 |
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font_02_sfnt_off0000bd73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD73 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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