MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure at 'https://ttraff.ru/pify?keyword=microsoft+visual+basic+powerpacks+10'. Another critical heuristic identified a large number of external PDF links, suggesting a link farm. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and the malicious URL, reinforcing the attack pattern.
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=microsoft+visual+basic+powerpacks+10 In PDF document text
- http://rerumax.redmondmathblog.com/uploads/1/3/1/4/131438539/06935cf1.pdfIn PDF document text
- http://files.steelandgrain.com/uploads/1/3/0/7/130740462/2474242.pdfIn PDF document text
- http://xilojofaw.scottkelleycomedian.com/uploads/1/3/2/6/132681834/4651af4ac.pdfIn PDF document text
- http://vulub.pleis.us/uploads/1/3/1/4/131438304/guvozamuli_jupamusuzese_puwexudijarew_gozikajarox.pdfIn PDF document text
- http://jemitolep.mmsdesigner.com/uploads/1/3/2/6/132681946/aed843.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/2875/0234/files/sariwedewutokow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7432/9499/files/pilumimavaxoweruwadesaxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7783/5681/files/kinipenizaloguweralafigo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7361/8599/files/23531873834.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6427/9718/files/fogotaxul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1850/1799/files/mamikinodijido.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7133/1742/files/zinetijolirib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57355052908.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6660/5211/files/14499024572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3692/5342/files/zadabaxuvitojujatemeniva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6643/3435/files/the_ridiculous_6_movie_mp4.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000053a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53A1 | 5340 bytes |
SHA-256: c618c986c96723cf3a2ec1d0495c1510977900b9371467ffb110d775d862a979 |
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font_01_sfnt_off000065fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65FC | 10364 bytes |
SHA-256: c1a9cd9de244b0cf8caaf898523a9fa1dd7d0593c80510e007e21f7a993139ce |
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font_02_sfnt_off00008978.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8978 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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