MALICIOUS
210
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many of which are part of a link farm designed to improve search engine rankings. The primary lure, 'Delete pdf pages without acrobat pro', combined with a call-to-action, directs users to a redirector URL. This suggests a phishing or malware distribution scheme, leveraging SEO tactics to attract victims.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.com/wb?keyword=delete%20pdf%20pages%20without%20acrobat%20pro In PDF document text
- http://files.beaconforlife.com/uploads/1/3/1/4/131454634/fobupusomuxem_fupukile_diwix.pdfIn PDF document text
- http://files.corpseapple.com/uploads/1/3/0/7/130776781/dobabukanewuxe.pdfIn PDF document text
- http://files.almutalbrecht.com/uploads/1/3/0/7/130739769/fde2986e0a268.pdfIn PDF document text
- http://files.sophiesparks.com/uploads/1/3/0/7/130738596/zonivewakuzu_gawaxevofe_gofodab.pdfIn PDF document text
- http://files.vonderhauswulfgermanshepherd.com/uploads/1/3/0/8/130813797/fivepeno.pdfIn PDF document text
- http://files.miriamruberlartist.com/uploads/1/3/1/4/131483019/828517e6fc26dc2.pdfIn PDF document text
- http://files.teesdalechallengewalks.net/uploads/1/3/0/7/130739740/vebikegebirezul.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://kumuderaxumi.files.wordpress.com/2020/07/41658283478.pdfIn PDF document text
- https://tupasol224450395.files.wordpress.com/2020/07/23273910092.pdfIn PDF document text
- https://wivotomamal.files.wordpress.com/2020/07/golakivedopubalodobete.pdfIn PDF document text
- https://serejepoduw.files.wordpress.com/2020/07/69780340320.pdfIn PDF document text
- https://bifariki.files.wordpress.com/2020/06/66825862174.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5106/5243/files/gigidofejofinitukanabel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3884/2779/files/12743677898.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/moxudenolaruxorurafugi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0097/8853/files/jeregiluxip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kaxoku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5575/2103/files/66612713019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rowogumidakedodovejizana.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_off0000883b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x883B | 5424 bytes |
SHA-256: ba5fbba935ab646a9b4a92c99090984eedab96a1dae64873a168f721a77a2eba |
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font_01_sfnt_off00009ad4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AD4 | 10620 bytes |
SHA-256: 280bbc7a13d5203a1525f728ea3dc729c6246e93383255d4b0a4f2e8d3b71c47 |
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