MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on various domains, suggesting a link farm or SEO poisoning tactic. One critical heuristic identified a link to a known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=harga+avanza+veloz+2012+manual+putih'. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. 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.ru/pify?keyword=harga+avanza+veloz+2012+manual+putih In PDF document text
- http://files.calvarywooddale.net/uploads/1/3/1/4/131406412/746f7bd.pdfIn PDF document text
- http://files.relevantfive.com/uploads/1/3/1/3/131379054/xeranojebeputajiso.pdfIn PDF document text
- http://savavav.votejasonmcguire.com/uploads/1/3/1/3/131380480/povuvevetax.pdfIn PDF document text
- http://files.sjraise.org/uploads/1/3/1/4/131452878/ritorevovafufux-xutokegaperolu-letamixix-luwov.pdfIn PDF document text
- http://sofogez.tlccasolafarms.com/uploads/1/3/1/3/131379730/8438514.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/1/0432/0316/6369/files/dasulujevawunekatewobu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5674/3079/files/62538709715.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9094/3902/files/astell_kern_ak100_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8468/5224/files/benignidade_dicionario_informal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/45366335679.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3032/3101/files/sd_driver_licensing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3744/8609/files/5878570962.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6667/8696/files/uk_address_in_us_format.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7379/7285/files/46659468943.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/6164/2144/files/godox_tt600_guide_number.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9239/3640/files/kebagagafagupipugag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/70278744099.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5021/3274/files/xenanox.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_off000066fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66FC | 5452 bytes |
SHA-256: cc53954b6641bf8411a6ef030507558eec3a044162c860e2fd876bc03744ee09 |
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font_01_sfnt_off0000796b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x796B | 15072 bytes |
SHA-256: 763e5260e90aa8ddcf5bb2ef2db9a7a6755fbec6c6c6586e84c3b58f90087de2 |
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