MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, with one identified as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains the URL https://ttraff.ru/wb?keyword=cen-tech%20cable%20tracker%2094181%20manual, which is flagged as a malicious redirector. This suggests the primary purpose is to lure users to malicious sites.
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.ru/wb?keyword=cen-tech%20cable%20tracker%2094181%20manual In PDF document text
- http://files.carlock-stpauls.org/uploads/1/3/1/4/131437554/rufebo.pdfIn PDF document text
- http://files.cjbands.org/uploads/1/3/1/1/131163851/loduwebepikebibojesu.pdfIn PDF document text
- http://files.jenniferbythewell.com/uploads/1/3/0/9/130969083/bee6366a471e267.pdfIn PDF document text
- http://files.weenglishpersonalproject.com/uploads/1/3/1/3/131382673/926816.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/1/0432/8249/7701/files/declarative_interrogative_imperative_exclamatory_sentences.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7110/1346/files/pipe_it_up_clean_version.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0262/6202/files/repumezivile.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/5898/2040/files/zumegeka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1656/9500/files/kofofa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/9882/8954/files/wwe_enterence_music.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6676/1120/files/92189124234.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4379/0760/files/95280435077.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rofan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8618/3576/files/54128297236.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6415/6575/files/39927351602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2398/3015/files/gufotedobesarakenonujos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5581/6608/files/vipafapokufakezaruleme.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2425/9992/files/hindu_baby_girl_names_starting_with_h.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7651/8049/files/talinenawilojikomutepe.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_off00004c97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C97 | 5492 bytes |
SHA-256: e487acfc4646208d042f6c7030dd766d4e8ff9256ab4921e6b8c640aa75d8bcd |
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font_01_sfnt_off00005f25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F25 | 10420 bytes |
SHA-256: 8ea604785d4ed8de69a0913ed25ae658ecc8cb26965a8ba364544c202a7e1fcb |
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