MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large number of external links, indicative of a link farm. The primary malicious URL identified is https://ttraff.cc/pify?keyword=aaoifi+fas+1+pdf, which likely serves as a redirector to a malicious destination. The document body contains garbled text but also includes the same malicious URL and numerous benign-looking Shopify URLs, suggesting an attempt to disguise the malicious intent within a large volume of links.
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=aaoifi+fas+1+pdf In PDF document text
- http://files.ecardsvs.com/uploads/1/3/1/3/131380739/b9cc473363d2.pdfIn PDF document text
- http://files.arlordpac.ca/uploads/1/3/1/4/131411688/478535.pdfIn PDF document text
- http://files.marathonembroidery.com/uploads/1/3/0/9/130969153/af04a146be.pdfIn PDF document text
- http://files.touroftasmania.com/uploads/1/3/0/8/130813458/43f8ee27243.pdfIn PDF document text
- http://jejuxa.act-sat-tutors.com/uploads/1/3/2/6/132682076/a2a1a.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/1/0430/6649/1042/files/dotafupinovolidowuwos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2438/2114/files/giduvoxen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46456123156.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dosoxuwananeworatimuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2566/0066/files/centrifugal_pump_characteristic_curve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7592/0282/files/411_missing_persons.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7837/6867/files/jasuga.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/cfa_exam_paper.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4652/6376/files/foxepave.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3658/0757/files/notudasiwedipuwe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2473/5643/files/mimawegawuzotu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7478/0312/files/polmicas_na_igreja_augustus_nicodemus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7824/4765/files/air_booster_pump.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9562/1781/files/rodijuguti.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_off00005780.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5780 | 4948 bytes |
SHA-256: 27080db012b10d6f23668c80537cee78971216caa80dd029b4bf813f3e40252f |
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font_01_sfnt_off00006879.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6879 | 10292 bytes |
SHA-256: d05d5f86c496e395cc12d0dcd198a56876d15b6ceb6cbc763003589e2591a4cd |
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