MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic identifying a link to known malicious redirector infrastructure at https://ttraff.com/wb?keyword=manual%20da%20impressora%20canon%20e481. The document body, though corrupted, appears to be a lure related to a printer manual. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm intended to distribute malicious content or improve SEO for malicious sites. No scripts were extracted from this sample.
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/wb?keyword=manual%20da%20impressora%20canon%20e481 In PDF document text
- http://files.koreanchurchofmemphis.org/uploads/1/3/1/4/131454106/vejirelap.pdfIn PDF document text
- http://didurujaw.7thbattalion13thartillery.com/uploads/1/3/0/9/130969472/4932661.pdfIn PDF document text
- http://files.darius-music.com/uploads/1/3/1/3/131398374/mifebefasiru-ligotuboxotok.pdfIn PDF document text
- http://files.meccadance.com/uploads/1/3/1/3/131379832/2313532.pdfIn PDF document text
- http://files.oldpueblosoapery.com/uploads/1/3/0/8/130813906/kumewajipimaz.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/1/0431/4162/8072/files/pisonewexor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4660/7784/files/sukanosu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7245/2776/files/zawupetisuja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9839/7085/files/57417162234.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6274/7548/files/rexoletasezoloxilugex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/genetics_from_genes_to_genomes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0128/1701/files/65575123806.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1668/1629/files/kanda_sasti_kavasam_lyrics_in_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8951/1071/files/75681019526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5382/5704/files/zavarutenunimis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2536/7194/files/basopefaratotimilev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8984/5671/files/rename_file_unix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8526/7097/files/borumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9291/6891/files/52388908900.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_off00004c8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C8B | 5556 bytes |
SHA-256: ee19d1576a3f1f9d47ce1fd6dc24c11b5fb0dd008b663d4e1806675c92b6a3e5 |
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font_01_sfnt_off00005f6f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F6F | 10484 bytes |
SHA-256: 5528b55e102be8afb43a2b3d53fe4ffd9bfb3dd6d2ddc16627097941ade99558 |
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