MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. The document body, though heavily obfuscated, contains text related to 'Amplificatore operazionale 741 datasheet' and includes the malicious URL, suggesting a lure. The presence of a large number of external PDF links, many hosted on Shopify, further indicates a link farm used for SEO poisoning or distributing malicious content. 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.cc/pify?keyword=amplificatore+operazionale+741+datasheet In PDF document text
- http://files.cisairandheat.com/uploads/1/3/2/6/132682030/losowiboxajoti-wenojuzobubo-vuxur.pdfIn PDF document text
- http://files.sterritup.com/uploads/1/3/1/4/131406303/memepeg.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/1/0435/8920/6174/files/21877515322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/niwaragevutaxesidep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0088/7456/files/47341054091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1446/3394/files/the_austronesian_languages_of_asia_and_madagascar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1187/3688/files/definisi_cacar_air.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4272/5275/files/44242034464.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9633/4753/files/briggs_and_stratton_engine_manuals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5588/1111/files/61552158912.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2393/2311/files/lafirilof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9456/5271/files/pedadogotisixojoteletisa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4342/2359/files/xewapedifawisiruzo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1502/0448/files/vinazufosenoba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7215/1959/files/fubixet.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005fbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FBE | 5656 bytes |
SHA-256: e6d10c6e02c5a25e8a11da09d2cb191a0394acb8b1ac6e0a3f6ee5072a6544c3 |
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font_01_sfnt_off000072d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72D9 | 14036 bytes |
SHA-256: 85ebdf526340601331f9b8f139ec9ef6977edc6efad168e2d1f6dcede490cb72 |
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font_02_sfnt_off00009e70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E70 | 16204 bytes |
SHA-256: 31aa257675234f953cb39254c73a0c002637764ec2691c470e0912636c3685cf |
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