MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, a technique often used for phishing or redirecting users to malicious sites. One critical heuristic identified a link to a known malicious redirector, specifically `https://ttraff.cc/pify?keyword=singer+tradition+160+manual+de+utilizare`, which is presented in the document body as a Singer sewing machine manual. Another heuristic flagged the PDF for containing a mass external PDF link farm, with many links pointing to `cdn.shopify.com` domains, suggesting an attempt to obscure the true malicious intent or leverage legitimate platforms for hosting. The ML classifier also strongly indicated maliciousness.
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=singer+tradition+160+manual+de+utilizare In PDF document text
- http://zoxat.expertrealtyllc.com/uploads/1/3/0/7/130740178/nabifixo_fugovaboz_fiwojisiku.pdfIn PDF document text
- http://pumom.philcohomes.com/uploads/1/3/1/0/131070867/zulawujamimefe.pdfIn PDF document text
- http://files.innerspacehealing.org/uploads/1/3/1/0/131070786/4143122.pdfIn PDF document text
- http://files.maartenderidder.com/uploads/1/3/2/6/132695457/xitunan.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/1/0433/7578/8188/files/waterfowl_migration_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5325/9679/files/kisakeregem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6881/7562/files/les_espaces_productifs_et_leurs_vol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7496/7965/files/lujifevumuruzemituvesafak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9928/1821/files/43701382794.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4145/5254/files/adjetivos_posesivos_y_pronombres_posesivos_en_ingles_ejercicios.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9672/7962/files/zemikobubatak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6187/9719/files/zajugevunufexavi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5448/1054/files/47970726454.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1705/1048/files/nikaxijirifurozowupe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5072/9621/files/25644812422.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7224/8222/files/adobe_photoshop_cs2_tutorial_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3723/7146/files/xakuzutisoludipasalen.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_off00004aa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4AA3 | 5468 bytes |
SHA-256: 80bf7f1e47f73d4db3b37c390c99cf186581bfb1b1e7a53f8b7f5e4a7f36348e |
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font_01_sfnt_off00005d26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D26 | 9780 bytes |
SHA-256: 5bbacae0246e89d5886add6165de87147cacc1f7c0746b087f14aa2bb4e46226 |
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